01/04/2021
Page 12
11. SUSPENSIONS
11.1. REAR SHOCK ABSORBER
The rear shock absorber is adjustable in length, spring preload, hydraulic compression and rebound. (length
adjustment on the frame). Many spring are available: the softest spring (K140) is recommended for pilots weighing
less than 50Kg while the stiffest one (K175) is recommended for pilots weighing more than 75Kg (as an option). The
standard one has K160.
11.2. ADJUSTABLE PRING PRE-LOAD KIT FOR FRONT FORK
The spring preload can be set by acting on the appropriate adjusters;
screwing in to increase the preload or unscrewing to decrease it.
Standard regulation: 5 turns.
A softer spring (K6) is available (as an optional) and it’s recommended for pilots
weighing less than 50Kg. The standard springs are K 7/7.
Spring free length
K140: 135mm
K160: 135mm
K175: 130mm
GP
-0
1 Spring pre-load
K140: 8mm
K160: 7mm
K175: 3mm
2 Hydraulic compression
open 6 click from fully closed
3 Hydraulic extension
open 5 click from fully closed
GP
-2
1 Spring pre-load
K140: 10mm
K160: 10mm
K175: 5mm
2 Hydraulic compression
open 8 click from fully closed
3 Hydraulic extension
open 9 click from fully closed
Before proceeding with the replacement of the fork springs, it is necessary to check the oil level inside
the stem.
Then you have to gently remove the spring, trying to lose as less oil as possible and perform the
measurement indicated in the image.
If necessary, restore the oil level. Is recommended to use the specific fork oil:
(MOTUL FORK OIL
EXPERT 15W Medium/Heavy).
K 6/6
K 6/6
K 7/7
K 6/7
GP-0
GP-2
